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- Technical details
- Running CENode Explorer
- Developing with CENode Explorer
CENode Explorer is a simple web-based graphical front-end to CENode. In particular, it supports:
- Launching CENodes on the server
- Managing CENodes through CE
- Navigating an node's knowledge base and conceptual model
- Other utilities
This project is simply a wrapper around the CENode library's inbuilt HTTP APIs. Please see the following section for further details on this.
This project is written using Vue.js with a small Node backend to manage starting and stopping CENode instances.
It is important to note that this project adds no extra real functionality aside from those around starting and stopping CENode instances. All interaction with specific instances is carried out directly with the node over HTTP.
For example, CENode Explorer, running on port 3000, might be used to start an instance with an agent called 'Moira' on port 4444. Once started, further interaction with the node is done directly on port 4444 using the instance's own restful APIs.
Running CENode Explorer yourself
This section describes how CENode Explorer can be run, and we cover two approaches:
- Using Docker
- Running the app directly
Using the pre-existing CENode Explorer Docker image
If you have Docker installed, then this is probably the simplest approach to using CENode Explorer yourself. To get Docker installed on your system, and to learn the basics, please refer to the Docker documentation.
Once Docker is installed, simply run the app with:
$ docker run -p 8080:3000 flyingsparx/cenode-exolorer
This command will pull our pre-built
cenode-explorer image from the Docker hub and run a container from it. The first time you run it will take longer as the base images will need to be downloaded and extracted to your local machine.
-p flag tells Docker to map the application port within Docker (3000) onto port 8080 on the host machine, meaning you can now navigate to localhost:8080 (or whichever host/port combo is appropriate for your use) to view the app.
This particular point poses a problem, since although we know the default port number of the CENode Explorer app itself (3000), we don't know which ports subsequent CENode instances will be available at yet (since they haven't been launched).
Therefore, you may need to map additional ports in your container in order to launch and access CENode instances over HTTP:
$ docker run -p 8080:3000 -p 2222:2222 -p 3333:3333 flyingsparx/cenode-explorer
On Linux systems, instead of using the
-p flags, you can use
--network=host, which allows Docker to bind any of the ports you eventually use without needing to 'predict' them. If you are not using a Linux system, and don't want to have to predict ports in this way, then please see the 'Running the app directly' section below.
Creating your own Docker image
Once Docker is installed (see previous section), then you can build your own image using the included Dockerfile:
$ git clone email@example.com:flyingsparx/CENode-explorer.git && cd CENode-explorer $ docker build -t my-cenode-explorer .
And then you can run a container from your own image using:
$ docker run -p 8080:3000 my-cenode-explorer
Running the app directly
For this you will need to install Node (and NPM) onto your system first.
Once installed, clone and change into this repository:
$ git clone firstname.lastname@example.org:flyingsparx/CENode-explorer.git && cd CENode-explorer
Install required dependencies:
$ npm install
$ npm run build
Start the app:
$ node app
And then visit localhost:3000 in your browser to view the app.
Developing with CENode Explorer
To run the development environment, then carry out the steps above (in 'Running the app directly').
However, instead of running
$ npm run watch
Then run the Node app (using
node app) in another terminal emulator window to start the server and visit the app using the method described.